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 * Copyright 2002-2018 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
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 *版权所有2002-2018原作者。
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 *除非符合许可证，否则不得使用此文件。
 *您可以在以下地址获取许可证副本：
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 *除非适用法律要求或书面同意，软件
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package org.springframework.beans.factory.config;

import org.springframework.beans.BeansException;

/**
 * Subinterface of {@link BeanPostProcessor} that adds a before-destruction callback.
 *
 * <p>The typical usage will be to invoke custom destruction callbacks on
 * specific bean types, matching corresponding initialization callbacks.
 *
 * @author Juergen Hoeller
 * @since 1.0.1
 */
/**
 *｛@link BeanPostProcessor｝的子接口，它添加了销毁前回调。
 *
 *＜p＞典型的用法是在
 *特定的bean类型，匹配相应的初始化回调。
 *
 *@作者Juergen Hoeller
 *@自1.0.1起
 */
public interface DestructionAwareBeanPostProcessor extends BeanPostProcessor {

	/**
	 * Apply this BeanPostProcessor to the given bean instance before its
	 * destruction, e.g. invoking custom destruction callbacks.
	 * <p>Like DisposableBean's {@code destroy} and a custom destroy method, this
	 * callback will only apply to beans which the container fully manages the
	 * lifecycle for. This is usually the case for singletons and scoped beans.
	 * @param bean the bean instance to be destroyed
	 * @param beanName the name of the bean
	 * @throws org.springframework.beans.BeansException in case of errors
	 * @see org.springframework.beans.factory.DisposableBean#destroy()
	 * @see org.springframework.beans.factory.support.AbstractBeanDefinition#setDestroyMethodName(String)
	 */
	/**
	 *将此BeanPostProcessor应用于给定的bean实例
	 *销毁，例如调用自定义销毁回调。
	 *＜p＞像DisposableBean的｛@code destroy｝和自定义destroy方法一样
	 *回调将仅应用于容器完全管理
	 *的生命周期。单例和作用域bean通常是这种情况。
	 *@param bean要销毁的bean实例
	 *@param beanName bean的名称
	 *出现错误时@throws org.springframework.beans.BeansException
	 *@see org.springframework.beans.factory.DisposableBean#destroy（）
	 *@see org.springframework.beans.factory.support.AbstractBeanDefinition#setDestroyMethodName（字符串）
	 */
	void postProcessBeforeDestruction(Object bean, String beanName) throws BeansException;

	/**
	 * Determine whether the given bean instance requires destruction by this
	 * post-processor.
	 * <p>The default implementation returns {@code true}. If a pre-5 implementation
	 * of {@code DestructionAwareBeanPostProcessor} does not provide a concrete
	 * implementation of this method, Spring silently assumes {@code true} as well.
	 * @param bean the bean instance to check
	 * @return {@code true} if {@link #postProcessBeforeDestruction} is supposed to
	 * be called for this bean instance eventually, or {@code false} if not needed
	 * @since 4.3
	 */
	/**
	 *确定给定的bean实例是否需要通过
	 *后处理器。
	 *＜p＞默认实现返回｛@code true｝。如果是5年前的实施
	 *｛@code DestructionAwareBeanPostProcessor｝的
	 *在实现此方法时，Spring也默默地假设{@codetrue}。
	 *@param bean要检查的bean实例
	 *@return｛@code true｝如果｛@link#postProcessBeforeDestination｝应该
	 *如果不需要，则调用｛@code false｝
	 *@自4.3
	 */
	default boolean requiresDestruction(Object bean) {
		return true;
	}

}
